111 lines
2.9 KiB
C
111 lines
2.9 KiB
C
/* $NetBSD: if_le_tc.c,v 1.2 1996/05/07 02:24:57 thorpej Exp $ */
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/*
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* Copyright (c) 1996 Carnegie-Mellon University.
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* All rights reserved.
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*
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* Author: Chris G. Demetriou
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*
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* Permission to use, copy, modify and distribute this software and
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* its documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
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* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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*/
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/*
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* LANCE on TurboChannel.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/mbuf.h>
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#include <sys/syslog.h>
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#include <sys/socket.h>
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#include <sys/device.h>
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#include <net/if.h>
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#ifdef INET
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#include <netinet/in.h>
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#include <netinet/if_ether.h>
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#endif
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#include <dev/ic/am7990reg.h>
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#include <dev/ic/am7990var.h>
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#include <dev/tc/if_levar.h>
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#include <dev/tc/tcvar.h>
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int le_tc_match __P((struct device *, void *, void *));
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void le_tc_attach __P((struct device *, struct device *, void *));
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struct cfattach le_tc_ca = {
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sizeof(struct le_softc), le_tc_match, le_tc_attach
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};
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#define LE_OFFSET_RAM 0x0
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#define LE_OFFSET_LANCE 0x100000
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#define LE_OFFSET_ROM 0x1c0000
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int
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le_tc_match(parent, match, aux)
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struct device *parent;
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void *match, *aux;
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{
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struct tc_attach_args *d = aux;
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if (strncmp("PMAD-AA ", d->ta_modname, TC_ROM_LLEN) &&
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strncmp("PMAD-BA ", d->ta_modname, TC_ROM_LLEN))
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return (0);
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return (1);
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}
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void
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le_tc_attach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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register struct le_softc *lesc = (void *)self;
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register struct am7990_softc *sc = &lesc->sc_am7990;
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struct tc_attach_args *d = aux;
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/*
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* It's on the turbochannel proper, or a kn02
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* baseboard implementation of a TC option card.
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*/
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lesc->sc_r1 = (struct lereg1 *)(d->ta_addr + LE_OFFSET_LANCE);
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sc->sc_mem = (void *)(d->ta_addr + LE_OFFSET_RAM);
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sc->sc_copytodesc = am7990_copytobuf_contig;
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sc->sc_copyfromdesc = am7990_copyfrombuf_contig;
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sc->sc_copytobuf = am7990_copytobuf_contig;
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sc->sc_copyfrombuf = am7990_copyfrombuf_contig;
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sc->sc_zerobuf = am7990_zerobuf_contig;
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/*
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* TC lance boards have onboard SRAM buffers. DMA
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* between the onbard RAM and main memory is not possible,
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* so DMA setup is not required.
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*/
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dec_le_common_attach(sc, (u_char *)(d->ta_addr + LE_OFFSET_ROM + 2));
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tc_intr_establish(parent, d->ta_cookie, TC_IPL_NET, am7990_intr, sc);
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}
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